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setup>LaundryPizza03: Updated prediction, per WT:ELEM#Somewhat newer density predictions for 6d metals

2021-03-24T01:06:41Z

Updated prediction, per WT:ELEM#Somewhat newer density predictions for 6d metals

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{{Infobox element
|number=111
|symbol=Rg
|name=roentgenium
|abundance=
|abundance in earth's crust=
|abundance in oceans=
|abundance in solar system=
|left=[[darmstadtium]]
|right=[[copernicium]]
|above=[[gold|Au]]
|below=(Uhp)
|group=11
|period=7
|block=d
|appearance=silvery ''(predicted)''<ref name="e-conf"/>
|mass number comment=(unconfirmed: 286)
|electrons per shell=2, 8, 18, 32, 32, 17, 2
|electrons per shell comment=''(predicted)''
|phase=solid
|phase comment=''(predicted)''<ref name=bcc/>
|density gpcm3nrt=22–24
|density gpcm3nrt comment=''(predicted)''<ref name=density>{{cite journal |last1=Gyanchandani |first1=Jyoti |last2=Sikka |first2=S. K. |title=Physical properties of the 6 d -series elements from density functional theory: Close similarity to lighter transition metals |journal=Physical Review B |date=10 May 2011 |volume=83 |issue=17 |pages=172101 |doi=10.1103/PhysRevB.83.172101 |access-date=18 March 2021}}</ref><ref name=kratz>{{cite book |last1=Kratz |last2=Lieser |title=Nuclear and Radiochemistry: Fundamentals and Applications |date=2013 |page=631 |edition=3rd}}</ref>
|crystal structure=body-centered cubic
|crystal structure comment=''(predicted)''<ref name=bcc>{{cite journal|doi=10.1103/PhysRevB.84.113104|title=First-principles calculation of the structural stability of 6d transition metals|year=2011|last1=Östlin|first1=A.|last2=Vitos|first2=L.|journal=Physical Review B|volume=84|issue=11|bibcode=2011PhRvB..84k3104O }}</ref>
|number of ionization energies=5
|ionization energy 1=1020
|ionization energy 2=2070
|ionization energy 3=3080
|ionization energy comment=''(all estimated)''<ref name=Haire/>
|atomic radius=138
|atomic radius comment=''(predicted)''<ref name=Haire/><ref name=BFricke>{{cite journal |last1=Fricke |first1=Burkhard |year=1975 |title=Superheavy elements: a prediction of their chemical and physical properties |journal=Recent Impact of Physics on Inorganic Chemistry |volume=21 |pages=89–144 |doi=10.1007/BFb0116498 |url=https://www.researchgate.net/publication/225672062_Superheavy_elements_a_prediction_of_their_chemical_and_physical_properties |access-date=4 October 2013}}</ref>
|covalent radius=121
|covalent radius comment=''(estimated)''<ref name=rsc>[http://www.rsc.org/periodic-table/element/111/roentgenium Chemical Data. Roentgenium - Rg], Royal Chemical Society</ref>
|CAS number=54386-24-2
|magnetic susceptibility=
|magnetic susceptibility ref=
|isotopes=
{{infobox element/isotopes decay | mn=272 | sym=Rg | na=syn | hl=2 ms | dm=α | de= | link1=meitnerium-268 | pn=268 | ps=Mt}}

{{infobox element/isotopes decay | mn=274 | sym=Rg | na=syn | hl=12 ms | dm=α | de= | link1=meitnerium-272 | pn=272 | ps=Mt}}

{{infobox element/isotopes decay | mn=278 | sym=Rg | na=syn | hl=4 ms | dm=α | de= | link1=meitnerium-274 | pn=274 | ps=Mt}}

{{infobox element/isotopes decay | mn=279 | sym=Rg | na=syn | hl=0.09 s | dm=α | de=10.37 | link1=meitnerium-275 | pn=275 | ps=Mt}}

{{infobox element/isotopes decay | mn=280 | sym=Rg | na=syn | hl=4.6 s | dm=α | de=9.75 | link1=meitnerium-276 | pn=276 | ps=Mt}}

{{infobox element/isotopes decay2 | mn=281 | sym=Rg<ref name=2012e117>{{Cite journal | last1 = Oganessian | first1 = Yuri Ts. | last2 = Abdullin | first2 = F. Sh. | last3 = Alexander | first3 = C. | last4 = Binder | first4 = J. | last5 = Boll | first5 = R. A. | last6 = Dmitriev | first6 = S. N. | last7 = Ezold | first7 = J. | last8 = Felker | first8 = K. | last9 = Gostic | first9 = J. M. | title = Experimental studies of the 249Bk + 48Ca reaction including decay properties and excitation function for isotopes of element 117, and discovery of the new isotope 277Mt | doi = 10.1103/PhysRevC.87.054621 | journal = Physical Review C | publisher = American Physical Society | volume = 87 | number = 054621 | date = 2013-05-30 | bibcode = 2013PhRvC..87e4621O | display-authors = 3}}</ref><ref name=Mt>{{cite journal
|last1=Oganessian |first1=Yu. Ts.
|year=2013
|title=Experimental studies of the 249Bk + 48Ca reaction including decay properties and excitation function for isotopes of element 117, and discovery of the new isotope 277Mt
|journal=[[Physical Review C]]
|volume=87 |issue=5 |pages=054621
|bibcode=2013PhRvC..87e4621O
|doi=10.1103/PhysRevC.87.054621
|display-authors=etal}}</ref> | na=syn | hl=17 s | dm1=[[spontaneous fission|SF]] (90%) | de1= | pn1= | ps1= | dm2=α (10%) | de2= | link2=meitnerium-277 | pn2=277 | ps2=Mt}}

{{infobox element/isotopes decay | mn=282 | sym=Rg<ref>{{cite journal|last1=Khuyagbaatar|first1=J.|last2=Yakushev|first2=A.|last3=Düllmann|first3=Ch. E.|title=48Ca+249Bk Fusion Reaction Leading to Element Z=117: Long-Lived α-Decaying 270Db and Discovery of 266Lr|journal=Physical Review Letters|volume=112|issue=17|pages=172501|year=2014|doi=10.1103/PhysRevLett.112.172501|url=http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.112.172501|display-authors=etal|pmid=24836239|bibcode=2014PhRvL.112q2501K}}</ref> | na=syn | hl=100 s | dm=α | de=9.00 | link1=meitnerium-278 | pn=278 | ps=Mt}}

{{infobox element/isotopes decay | mn=283 | sym=Rg<ref name="EXON">{{cite conference |title=Remarks on the Fission Barriers of SHN and Search for Element 120 |first1=S. |last1=Hofmann |first2=S. |last2=Heinz |first3=R. |last3=Mann |first4=J. |last4=Maurer |first5=G. |last5=Münzenberg |first6=S. |last6=Antalic |first7=W. |last7=Barth |first8=H. G. |last8=Burkhard |first9=L. |last9=Dahl |first10=K. |last10=Eberhardt |first11=R. |last11=Grzywacz |first12=J. H. |last12=Hamilton |first13=R. A. |last13=Henderson |first14=J. M. |last14=Kenneally |first15=B. |last15=Kindler |first16=I. |last16=Kojouharov |first17=R. |last17=Lang |first18=B. |last18=Lommel |first19=K. |last19=Miernik |first20=D. |last20=Miller |first21=K. J. |last21=Moody |first22=K. |last22=Morita |first23=K. |last23=Nishio |first24=A. G. |last24=Popeko |first25=J. B. |last25=Roberto |first26=J. |last26=Runke |first27=K. P. |last27=Rykaczewski |first28=S. |last28=Saro |first29=C. |last29=Schneidenberger |first30=H. J. |last30=Schött |first31=D. A. |last31=Shaughnessy |first32=M. A. |last32=Stoyer |first33=P. |last33=Thörle-Pospiech |first34=K. |last34=Tinschert |first35=N. |last35=Trautmann |first36=J. |last36=Uusitalo |first37=A. V. |last37=Yeremin |year=2016 |conference=Exotic Nuclei |editor-first1=Yu. E. |editor-last1=Peninozhkevich |editor-first2=Yu. G. |editor-last2=Sobolev |display-authors=3 |book-title=Exotic Nuclei: EXON-2016 Proceedings of the International Symposium on Exotic Nuclei |pages=155–164 |isbn=9789813226555 |doi=10.1142/9789813226548_0024 }}</ref> | na=syn | hl=5.1 min? | dm=SF | de= | link1= |pn= |ps=}}

{{infobox element/isotopes decay | mn=286 |sym=Rg<ref name=Hofmann2016>{{cite journal |last=Hofmann |first=S. |last2=Heinz |first2=S. |first3=R. |last3=Mann |first4=J. |last4=Maurer |first5=G. |last5=Münzenberg |first6=S. |last6=Antalic |first7=W. |last7=Barth |first8=H. G. |last8=Burkhard |first9=L. |last9=Dahl |first10=K. |last10=Eberhardt |first11=R. |last11=Grzywacz |first12=J. H. |last12=Hamilton |first13=R. A. |last13=Henderson |first14=J. M. |last14=Kenneally |first15=B. |last15=Kindler |first16=I. |last16=Kojouharov |first17=R. |last17=Lang |first18=B. |last18=Lommel |first19=K. |last19=Miernik |first20=D. |last20=Miller |first21=K. J. |last21=Moody |first22=K. |last22=Morita |first23=K. |last23=Nishio |first24=A. G. |last24=Popeko |first25=J. B. |last25=Roberto |first26=J. |last26=Runke |first27=K. P. |last27=Rykaczewski |first28=S. |last28=Saro |first29=C. |last29=Scheidenberger |first30=H. J. |last30=Schött |first31=D. A. |last31=Shaughnessy |first32=M. A. |last32=Stoyer |first33=P. |last33=Thörle-Popiesch |first34=K. |last34=Tinschert |first35=N. |last35=Trautmann |first36=J. |last36=Uusitalo |first37=A. V. |last37=Yeremin |date=2016 |title=Review of even element super-heavy nuclei and search for element 120 |journal=The European Physics Journal A |volume=2016 |issue=52 |doi=10.1140/epja/i2016-16180-4|bibcode=2016EPJA...52..180H |url=https://www.researchgate.net/publication/304459935 |display-authors=3}}</ref> | na=[[synthetic radioisotope|syn]] |hl=10.7 min? | dm=[[alpha decay|α]] |de=8.63 |link1=meitnerium-282 |pn=282 |ps=Mt}}

|naming=after [[Wilhelm Röntgen]]
|discovered by=[[Gesellschaft für Schwerionenforschung]]
|discovery date=1994
|QID=Q1272
}}<noinclude>
{{Infobox element/element navigation|symbol=Rg}}
{{Template reference list}}
{{documentation|1=Template:Infobox element/doc}}
</noinclude>

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setup>LaundryPizza03: Updated prediction, per WT:ELEM#Somewhat newer density predictions for 6d metals